Miles between Longmont, CO and Plano, TX

There are
810 mi
from Longmont, CO to Plano, TX

That's the driving distance. It would take 14 hours 59 mins to go from Longmont, Colorado to Plano, Texas.

The flight distance (direct flight from Longmont, CO to Plano, TX) is 678.44 mi.

810 mi = 1,303.53 kms